cyanobacterial vs cyanophyte

cyanobacterial and cyanophyte both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cyanobacterial	No	Yes	No	No
cyanophyte	No	Yes	No	No

As adjectives, cyanobacterial and cyanophyte are synonyms defined as:

cyanobacterial and cyanophyte: relating to or caused by photosynthetic bacteria of the class Cyanobacteria

cyanobacterial (adjective)	cyanophyte (adjective)
relating to or caused by photosynthetic bacteria of the class Cyanobacteria	relating to or caused by photosynthetic bacteria of the class Cyanobacteria